Yes exactly. But if they make the provinces look good, theres a possibility that beth will feel compelled to follow the design.
Well, Bethesda already came up with the outlines for the design many years ago. They created Tamriel and the provinces and had geographical data written down. This and this is swampy, such and so is snowy and mountainous, that's deserty, forresty, etc. Zenimax Online will use that info and put their own spin on it.